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Old 10-20-2010, 12:29 PM   #1
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Scissors Truss

I am trying to figure out what pitch the outside of a scissors truss will be if the inside is a 3/12 pitch

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Old 10-20-2010, 12:33 PM   #2
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Scissors Truss

You can order it almost any pitch you want.

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Old 10-20-2010, 12:40 PM   #3
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Scissors Truss

I think what he is saying is that the pitch of the bottom chord is 3/12 and he is wondering what the pitch on the top chord needs to be. I know that it has to be greater than 3 (prolly on the realm of 4-5). Call your local lumber supply and ask them. They'll even design it for you. If your just looking for an idea they would be able to help you out.
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Old 10-20-2010, 01:20 PM   #4
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Scissors Truss

Thanks for the info. I think I got what I need.
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Old 10-20-2010, 09:17 PM   #5
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Scissors Truss

When I was building houses we used a lot of scissor trusses. Normally the truss company would make the inside pitch half of what the outside pitch was unless you told them otherwise. You can take a framing square and a 24" level up on the roof and find out pretty quick. Lay the long leg of the square on the roof with the short leg on the bottom. Hold the level so one bottom edge is on the 12" mark on the long leg, then level out the level and see what number on the short leg you line up with, sighting along the bottom edge. If it lines up with the 6" mark, you have a 6/12 pitch.
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